Acpi Msft0101 Driver New! Download -
This article is a complete, step-by-step guide to understanding the ACPI\MSFT0101 driver. It will explain exactly what it is, why a "driver missing" error appears, and provide several professional methods to resolve the issue, from simple Windows updates to manual driver installations and even a BIOS-level fix.
Would you like help identifying your exact PC model to find the right OEM driver link?
Find the under "Other devices" (or "System devices") with the ACPI\MSFT0101 ID. Right-click it and select Update driver . Choose Browse my computer for drivers .
Before downloading any drivers, you must ensure the hardware is actually turned on at the motherboard level. Windows cannot install drivers for a disabled device.
Major brands provide dedicated ACPI drivers that bundle these components: Dell Command | Deploy FAQ Acpi Msft0101 Driver Download
If you , you can disable the device in Device Manager instead of installing the driver. No security risk — just lost TPM functionality.
Look under . The Specification Version should read 2.0 .
: You can verify your specific device by right-clicking it in Device Manager, selecting Properties > Details , and choosing Hardware Ids from the dropdown. HP Support Community 4. Is the Driver Necessary?
If you want to troubleshoot a specific system setup, tell me: The of your computer or motherboard Your current Windows operating system version The specific Error Code showing in Device Manager This article is a complete, step-by-step guide to
: This is the only scenario where you may need to manually install a driver. Windows 7 does not have native support for TPM 2.0 devices. If you see the ACPI\MSFT0101 error on Windows 7, it requires a specific Microsoft hotfix to add TPM 2.0 functionality.
, a critical security component used by Windows to provide hardware-based security features. If this driver is missing or shows an exclamation mark in Device Manager, it is typically listed under Security Devices HP Support Community Identifying the Driver identifier is specifically associated with: Trusted Platform Module 2.0
This hardware module safely handles cryptographic tasks. It securely houses your encryption keys, credentials, and hardware measurements. Crucial security elements such as Windows Hello, Windows 11 system requirements, and BitLocker encryption depend fully on this device functioning normally. Direct Download Options by Operating System
Scroll down the category list and select , then click Next . Find the under "Other devices" (or "System devices")
Intel PTT is an integrated version of the Trusted Platform Module (TPM) 2.0 standard. It provides hardware-based security features, such as key management and credential storage, which are essential for technologies like BitLocker drive encryption .
The ACPI MSFT0101 driver is responsible for managing various system functions, including:
Safeguarding system credentials.
If you encounter issues during the download or installation process, here are some troubleshooting steps: